Le mardi, 21 jan 2003, à 15:42 Europe/Paris, Yaron M. Minsky a écrit :

> Another useful extension to the ocaml toplevel which has been proposed
> in the past is to have some kind of default "this" variable which 
> stores
> unbound variables.  That would make the supression of let-bound easier
> to use, since if you wanted to see how something printed out, you could
> refrain from let-binding it, and still get access to the result using
> the "this" variable.

For the record, this facility existed in the original ML from LCF 20 
years ago,
the variable was called "it" and it was extremely useful in top-level 
debugging.
It was still there in ML V6.2 circa 1985, and thus also in early 
versions of Caml.
I do not remember who took "it" off, but maybe "it" could be 
resurrected...
GH


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